Today I put my new king skink into the same vivarium as my other king skink, just to see how they would get along. After the first day, all seems well...they haven't fought at all or shown agression towards each other, but the old king skink seems a bit scared of the new one (it hides from it in its shoebox). I have 2 separate shoe boxes as hiding places for them. When I got home tonight, I looked in the vivarium and was surprised when I looked through the entrance hole of one of the shoeboxes, that it was empty...there was no skink in it. The rest of the vivarium was bare...so this could only mean one thing, the two of them were together in ONE shoebox. I know you're not supposed to disturb them in their main hiding place, but I thought I should take a peek 'cause I thought one of them might have killed the other one or something. So I lifted the shoebox up...and one of them was on top of the other one...does this mean they were mating???? I have no idea what sex either of them are. But would this be normal behaviour for them to be mating after only having spent half a day together? Horny little buggers! Do skinks ever mistake each other's sex? Like is it possible that they are both females or both males and they're just confused or something? I dunno, but I would really like to know whether they were mating or not.